Question 1
What is the next term in this alternating sign sequence: 2, -6, 10, -14, 18, ?
Arithmetic sequence (add 4) with alternating signs
Sequence: 2, -6, 10, -14, 18
Next base term: 22 → -22
Sequence: 2, -6, 10, -14, 18
Next base term: 22 → -22